<template>
  <div>
    <div style="padding: 10px 0">
      <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search" v-model="name"></el-input>

      <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
      <el-button type="warning" @click="reset">重置</el-button>
    </div>
    <div style="margin: 10px 0">
      <el-button type="primary" @click="handleAdd">新增<i
          class="el-icon-circle-plus-outline"></i></el-button>

      <el-popconfirm class="ml-5"
                     confirm-button-text="确定"
                     cancel-button-text="我再想想"
                     icon="el-icon-info"
                     icon-color="red"
                     title="您确定删除吗？"
                     @confirm="delBatch"
      >
        <el-button type="danger" slot="reference">批量删除<i class="el-icon-remove-outline"></i></el-button>
      </el-popconfirm>
    </div>

    <el-table
        :data="tableData"
        border
        stripe
        :header-cell-class-name="headerBg"
        @selection-change="handleSelectionChange"
    >
      <!-- @selection-change="handleSelectionChange"获取勾选的数据-->

      <el-table-column type="selection" width="55"></el-table-column>
      <el-table-column prop="id" label="id" width="80"></el-table-column>
      <el-table-column prop="name" label="名称"></el-table-column>
      <el-table-column prop="score" label="总分"></el-table-column>
      <el-table-column prop="duration" label="时长(分)"></el-table-column>

      <el-table-column label="所属课程">
        <template v-slot="scope">
          <span v-if="courses && courses.length">{{ courses.find(v => v.id === scope.row.courseId).name }}</span>
        </template>
      </el-table-column>

      <el-table-column label="查看考卷">
        <template v-slot="scope">
          <el-button type="primary" @click="viewPaper(scope.row.id)">查看考卷<i class="el-icon-document"></i></el-button>
        </template>
      </el-table-column>


      <el-table-column label="操作" width="380" align="center">
        <template slot-scope="scope">

          <el-button type="primary" plain @click="handlePaper(scope.row.id,scope.row.courseId)">手动组卷<i
              class="el-icon-document"></i></el-button>

          <el-button type="primary" @click="takePaper(scope.row.id,scope.row.courseId)">自动组卷<i
              class="el-icon-document"></i></el-button>

          <el-button type="success" @click="handleEdit(scope.row)"> 编辑<i class="el-icon-edit"></i></el-button>

          <el-popconfirm
              class="ml-5"
              confirm-button-text="确定"
              cancel-button-text="我再想想"
              icon="el-icon-info"
              icon-color="red"
              title="您确定删除吗？"
              @confirm="del(scope.row.id)"
          >
            <el-button type="danger" slot="reference">删除<i class="el-icon-remove-outline"></i></el-button>
          </el-popconfirm>

        </template>
      </el-table-column>
    </el-table>

    <div style="padding: 10px 0">
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="pageNum"
          :page-sizes="[2, 5, 10, 20]"
          :page-size="pageSize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total"
      >
      </el-pagination>
    </div>

    <el-dialog title="考卷" :visible.sync="dialogFormVisible2" width="60%">
      <el-card>
        <div v-for="(item,index) in questions" :key="item.id" style="margin-bottom: 35px">
          <div style="margin: 10px 0; font-size: 20px"><span>{{ index + 1 }}</span> {{ item.name }}
            <span style="font-size: 14px" v-if="item.type === 1">(选择题)</span>
            <span style="font-size: 14px" v-if="item.type === 2">(判断题)</span>
            <span style="font-size: 14px" v-if="item.type === 3">(问答题)</span>
          </div>
          <div v-if="item.type === 1" style="margin: 10px; display: flex; justify-content: space-around;">
            <div>A. {{ item.a }}</div>
            <div>B. {{ item.b }}</div>
            <div>C. {{ item.c }}</div>
            <div>D. {{ item.d }}</div>
          </div>
          <div style="margin: 10px 0">
            答案: {{ item.answer }}
          </div>
          <div style="margin: 10px 0">
            解析: {{ item.detail }}
          </div>
        </div>
      </el-card>
    </el-dialog>

    <el-dialog title="手动组卷" :visible.sync="dialogFormVisible3" width="60%">
      <el-form label-width="80px" size="small" style="width: 90%">
        <div style="width: 90%; padding-left: 120px"></div>
          <el-transfer :titles="['题库','已选']" filter-placeholder="请输入类型: 1选择, 2判断, 3问答" filterable :filter-method="filterMethod"
                       v-model="form2.handleQuestionIds" :data="paperQuestions"
                       :props="{key: 'id', label: 'name'}"></el-transfer>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible3 = false">取 消</el-button>
        <el-button type="primary" @click="generateHandPaper">确 定</el-button>
      </div>
    </el-dialog>

    <el-dialog title="自动组卷" :visible.sync="dialogFormVisible1" width="30%">
      <el-form label-width="80px" size="small">
        <el-form-item label="选择题数量">
          <el-input v-model="form1.type1" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="填空题数量">
          <el-input v-model="form1.type2" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="问答题数量">
          <el-input v-model="form1.type3" autocomplete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible1 = false">取 消</el-button>
        <el-button type="primary" @click="generatePaper">确 定</el-button>
      </div>
    </el-dialog>


    <el-dialog title="信息" :visible.sync="dialogFormVisible" width="30%">
      <el-form label-width="80px" size="small">
        <el-form-item label="名称">
          <el-input v-model="form.name" autocomplete="off"></el-input>
        </el-form-item>

        <el-form-item label="课程">
          <el-select clearable v-model="form.courseId" placeholder="请选择" style="width: 100%">
            <el-option v-for="item in courses"
                       :key="item.id" :label="item.name" :value="item.id "></el-option>
          </el-select>
        </el-form-item>
                <el-form-item label="总分">
                  <el-input v-model="form.score" autocomplete="off"></el-input>
                </el-form-item>
        <el-form-item label="时长">
          <el-input v-model="form.duration" autocomplete="off"></el-input>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>
<script>

export default {
  name: "paper",
  data() {
    return {
      tableData: [],
      name: "",
      multipleSelection: [],
      headerBg: "headerBg",
      pageNum: 1,
      pageSize: 10,
      total: 0,
      dialogFormVisible: false,
      dialogFormVisible1: false,
      dialogFormVisible2: false,
      dialogFormVisible3: false,
      form: {},
      form1: {},
      form2: {},
      courses: [],
      teachers: [],
      user: localStorage.getItem("user") ? JSON.parse(localStorage.getItem("user")) : {},
      questions: [],
      type: null,
      paperQuestions: [],
      handleQuestionIds: [],
    };
  },

  created() {
    this.load();
  },

  methods: {
    // 手动组卷选择题目
    filterMethod(query, item){
      return !query || query == item.type;
    },

    //查看考卷
    viewPaper(paperId) {
      this.request.get("/paper/view/" + paperId).then(res => {
        this.questions = res.data
        this.dialogFormVisible2 = true
      })
    },
    // 手动组卷
    handlePaper(paperId, courseId) {
      this.request.get("/question").then(res => {
        this.paperQuestions = res.data.filter(v => v.courseId === courseId)
      })
      this.form2 = {handleQuestionIds: [], paperId: paperId}
      this.dialogFormVisible3 = true

    },
    // 手动组卷确定按钮
    generateHandPaper() {
      this.request.post("/paper/handPaper/", this.form2).then((res) => {
        if (res.code === '200') {
          this.$message.success("组卷成功");
          this.dialogFormVisible3 = false;
          this.load();
        } else {
          this.$message.error(res.msg);
        }
      });
    },

    // 自动组卷
    takePaper(paperId, courseId) {
      console.log('paperId', paperId, 'courseId', courseId)
      this.form1 = {type1: 1, type2: 1, type3: 1, paperId: paperId, courseId: courseId}
      this.dialogFormVisible1 = true

    },
    // 自动组卷确定按钮
    generatePaper() {
      this.request.post("/paper/takePaper", this.form1).then((res) => {
        if (res.code === '200') {
          this.$message.success("组卷成功");
          this.dialogFormVisible3 = false;
          this.load();
        } else {
          this.$message.error(res.msg);
        }
      });
    },

    save() {
      this.request.post("/paper", this.form).then((res) => {
        if (res.code === '200') {
          this.$message.success("保存成功");
          this.dialogFormVisible = false;
          this.load();
        } else {
          this.$message.error("保存失败");
        }
      });
    },
    load() {
      //加载2条数据
      this.request.get("/paper/page", {
        params: {
          pageNum: this.pageNum,
          pageSize: this.pageSize,
          name: this.name
        },
      }).then((res) => {
        console.log(res);
        this.tableData = res.data.records;
        this.total = res.data.total;
      });

      this.request.get("/coursePlus").then(res => {
        console.log('courses', res)
        this.courses = res.data
      })

    },


    del(id) {
      this.request.delete("/paper/" + id).then((res) => {
        if (res.code === "200") {
          this.$message.success("删除成功");
          this.load();
        } else {
          this.$message.error("删除失败");
        }
      });
    },
    handleSelectionChange(val) {
      // console.log(val)
      this.multipleSelection = val;
    },

    delBatch() {
      let ids = this.multipleSelection.map((v) => v.id); //[{},{},{}] => [1,2,3]
      console.log(ids);
      this.request.post("/paper/del/batch/", ids).then((res) => {
        if (res.code === "200") {
          this.$message.success("批量删除成功");
          this.load();
        } else {
          this.$message.error("删除失败");
        }
      });
    },
    handleAdd() {
      this.dialogFormVisible = true;
      this.form = {};
    },
    //重置
    reset() {
      this.name = "";
      this.load();
    },
    handleEdit(row) {
      console.log("row=", row);
      this.form = row;
      this.dialogFormVisible = true;
    },
    handleSizeChange(pageSize) {
      console.log(pageSize);
      this.pageSize = pageSize;
      this.load();
    },
    handleCurrentChange(pageNum) {
      console.log(pageNum);
      this.pageNum = pageNum;
      this.load();
    },
  },
};
</script>

<style scoped>
.headerBg {
  background-color: #eee !important;
}
</style>